1914463789 has 16 divisors (see below), whose sum is σ = 2318063616. Its totient is φ = 1543507200.

The previous prime is 1914463777. The next prime is 1914463843. The reversal of 1914463789 is 9873644191.

It is a cyclic number.

It is not a de Polignac number, because 1914463789 - 2⁵ = 1914463757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914463729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247399 + ... + 255019.

It is an arithmetic number, because the mean of its divisors is an integer number (144878976).

Almost surely, 2^1914463789 is an apocalyptic number.

It is an amenable number.

1914463789 is a deficient number, since it is larger than the sum of its proper divisors (403599827).

1914463789 is a wasteful number, since it uses less digits than its factorization.

1914463789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9756.

The product of its digits is 1306368, while the sum is 52.

The square root of 1914463789 is about 43754.5859196496. The cubic root of 1914463789 is about 1241.6972485439.

The spelling of 1914463789 in words is "one billion, nine hundred fourteen million, four hundred sixty-three thousand, seven hundred eighty-nine".